//获取时间差	public static void dateDiff(String desc,String startTime, String endTime) {  		SimpleDateFormat dfs = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");        long between = 0;        try {            java.util.Date begin = dfs.parse(startTime);            java.util.Date end = dfs.parse(endTime);            between = (end.getTime() - begin.getTime());// 得到两者的毫秒数                        long day = between / (24 * 60 * 60 * 1000);            long hour = (between / (60 * 60 * 1000) - day * 24);            long min = ((between / (60 * 1000)) - day * 24 * 60 - hour * 60);            long s = (between / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);                        System.out.println(desc+" 开始时间："+startTime+"    结束时间："+endTime);            System.out.println(desc+" 总该耗时："+day + "天" + hour + "小时" + min + "分" + s + "秒");        } catch (Exception ex) {            ex.printStackTrace();        }	}